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Chinese incarvillea "White Swan"
Incarvillea sinensis
Chinese incarvillea "White Swan" (Garden gloxinia).
For the rockgarden;
VI-VIII, Z5-8, 25-50 cm;
pure white with yellow throat.
Family: Bignoniaceae
Origin: China
Special Features: The white flowering form of the hardiest Incarvillea.
Container Size(s): 1-2 plugs per 11/12 cm
Vernalization: There is no current research on vernalization but a prudent recommendation for any perennial would be 6-13 weeks (a few might need 15 weeks!) at an average daily temperature of +5°C. Exposure to cold may not be necessary for flowering but might improve quality.
Forcing: An obvious place to experiment - following vernalization - would be raising daytime temperatures to +15+17°C. Provide 16 hours of continuous lighting. During the short days of winter, provide a night interruption lighting of 4 hours between 10:00 p.m. and 2:00 a.m.
Fertilization: Medium (150-200 ppm).
For the rockgarden;
VI-VIII, Z5-8, 25-50 cm;
pure white with yellow throat.
Family: Bignoniaceae
Origin: China
Special Features: The white flowering form of the hardiest Incarvillea.
Container Size(s): 1-2 plugs per 11/12 cm
Vernalization: There is no current research on vernalization but a prudent recommendation for any perennial would be 6-13 weeks (a few might need 15 weeks!) at an average daily temperature of +5°C. Exposure to cold may not be necessary for flowering but might improve quality.
Forcing: An obvious place to experiment - following vernalization - would be raising daytime temperatures to +15+17°C. Provide 16 hours of continuous lighting. During the short days of winter, provide a night interruption lighting of 4 hours between 10:00 p.m. and 2:00 a.m.
Fertilization: Medium (150-200 ppm).
Chinese incarvillea. Bot.: Incarvillea sinensis.
